That doesn't mean much tho, because authoritarian is basically a buzzword. Every single state in existence is authoritarian by nature. I recommend the very short read "On Authority" by Engels. That being said, if you are worried about your data being used, specially for nefarious reasons, being concerned with the US having access to it is pretty valid since they are the country on earth that loves to invade and bomb anyone that dares breath wrong, but I can't see the same worry about other countries, specially China being very valid.